Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Parisian café sticks almost exclusively to an ethos of reuse.

This demon atop the Notre-Dame de Paris looks utterly bored.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This bridge was constructed from the rubble of the infamous Bastille.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

Paris' linguistic guide to the international language of, yes, love.

What is it about mushrooms that makes people wish they lived inside of them?

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.

One of the most unusual geological features, recognizable from a dozen hit movies.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

This Pringle-shaped ledge makes for the perfect photo op.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.